OpenSSL introduction and compilation steps on Windows, Linux, and Mac systems
OpenSSL Introduction: OpenSSL is a powerful Secure Socket Layer password library, which includes major cryptographic algorithms, common keys, certificate encapsulation
1. Summary of information and digital signatureInformation Summary: Processing the data to obtain a fixed length of the results, its characteristics input:1, the output length is fixed. That is, the output length is independent of the input length.2,
OpenSSL is an open source SSL implementation. The simplest and most important application based on the OpenSSL directive is to use Req, CAs, and X509 to issue a certificate.OpenSSL provides command-line options and interactive two ways to perform
Using OpenSSL utilities
An OpenSSL command line takes the following form:
openssl utility arguments
For example:
openssl x509 -in OrbixCA -text
Each Command is individually described in this Appendix. To get a list of the arguments
Read Catalogue
First, Base64 code
Second, MD5, SHA1, SHA256, SHA512, HMAC implementation
GitHub Code
It is said that today 520 is a good day, why I think of 502, 500, 404 these? Fortunately the server is OK!First, Base64
OpenSSL symmetric encryption algorithm commands
1. symmetric encryption algorithm Overview
The openssl Encryption Algorithm Library provides a wide range of symmetric encryption algorithms. We can use the symmetric encryption algorithm commands
1. Overview of symmetric encryption algorithmsOpenSSL's cryptographic algorithm library provides a rich symmetric encryption algorithm that can be used in the form of symmetric cryptographic algorithm directives provided by OpenSSL, or by invoking
OpenSSL genrsa-out server.key 1024 (no password required)OpenSSL Req-new-key server.key-out SERVER.CSRCat SERVER.CSRPaste the above text into http://dc2.sankuai.info/certsrv/request Advanced Certificate request---->web Server certificate, OK,
Document directory
Apply for Certificate
View certificates
Test Certificate
Calculate MD5 and SHA1
Apply for Certificate
SSL is often used in authentication, data encryption, and other applications. To use SSL, we have our own password
About OpenSSL
SSL is an abbreviation for the Secure Socket Layer protocol, which provides covert transmission over the Internet. Netscape Company introduced the SSL protocol standard at the same time as the first web browser, there are
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